Contraction Stress Test

Oxytocin Challenge Test

Why It Is Done

A contraction stress test is done to check:

• If your baby will stay healthy during the reduced oxygen levels that normally occur during contractions during labour.
• If the placenta is healthy and can support your baby.

A contraction stress test may be done when results from a non-stress test or a biophysical profile are not in the normal range.

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Author:	Douglas Dana Maria G. Essig, MS, ELS	Last Updated: April 16, 2008
Medical Review:	Anne C. Poinier, MD - Internal Medicine Kathleen Romito, MD - Family Medicine Liisa Honey, MD, FRCSC - Obstetrics and Gynecology
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